PLANTS OF IOWA 211 



2729. E. ciliata, (L.) Raf. Downy Blephilia. 

 Woods and thickets. 



HEDEOMA, Pers. 



2730. H. pulegioides. (L.) Pers. American Pennyroyal. 

 Dry soil; frequent. 



2731. H. liispida, Pursh. Rough Pennyroyal. 

 Dry grounds; common. 



KCELLIA, Moench. 



2732. K. flexuosa, (Walt.) MacM. Narrow-leaved Mountain 



Mint. 

 In thickets, along borders. 



2733. K. virginiana, (L.) MacM. Virginia Mountain Mint. 

 Dry borders and thickets. 



LYCOPUS, L. 



2734. L. virginicus, L. Purple Bugle-weed. 

 In wet places ; not rare. 



2735. L. americanus, Muhl. Cut-leaved Water Hoarhound. 

 In swamps and bogs. Common. 



2736. L. lucidus, Turcz. Western Water Hoarhound. 

 In wet places. 



2737. L. rubellus, Moench. Stalked Water Hoarhound. 

 Wet soil. 



MENTHA, L. 



2738. M. spicata, L. Spear-mint. 

 Low grounds, not frequent. 



2729. B. ciliata, (L.) Raf. Downy Blephilia, 

 In waste places. 



2740. M. canadensis, L. American Wild Mint. 

 Common in wet places. 



PERILLA, Ard. 



2741. P. frutescens, (L.) Britton. Perilla. 

 In waste places, escaped from gardens. 



SOLANACE^:. POTATO FAMILY. 



PHYSALIS, L. 



2742. P. pubescens, L. Low Hairy Ground-cherry. 

 Rich soil, common. 



